500 lines
17 KiB
C
500 lines
17 KiB
C
# simple truncate
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[cases.test_truncate_simple]
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defines.MEDIUMSIZE = [31, 32, 33, 511, 512, 513, 2047, 2048, 2049]
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defines.LARGESIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
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if = 'MEDIUMSIZE < LARGESIZE'
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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lfs_file_open(&lfs, &file, "baldynoop",
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LFS_O_WRONLY | LFS_O_CREAT) => 0;
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uint8_t buffer[1024];
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strcpy((char*)buffer, "hair");
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size_t size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
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lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
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=> lfs_min(size, LARGESIZE-j);
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}
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lfs_file_size(&lfs, &file) => LARGESIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDWR) => 0;
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lfs_file_size(&lfs, &file) => LARGESIZE;
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lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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size = strlen("hair");
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for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
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lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
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=> lfs_min(size, MEDIUMSIZE-j);
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memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
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}
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lfs_file_read(&lfs, &file, buffer, size) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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# truncate and read
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[cases.test_truncate_read]
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defines.MEDIUMSIZE = [31, 32, 33, 511, 512, 513, 2047, 2048, 2049]
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defines.LARGESIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
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if = 'MEDIUMSIZE < LARGESIZE'
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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lfs_file_open(&lfs, &file, "baldyread",
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LFS_O_WRONLY | LFS_O_CREAT) => 0;
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uint8_t buffer[1024];
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strcpy((char*)buffer, "hair");
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size_t size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
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lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
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=> lfs_min(size, LARGESIZE-j);
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}
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lfs_file_size(&lfs, &file) => LARGESIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "baldyread", LFS_O_RDWR) => 0;
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lfs_file_size(&lfs, &file) => LARGESIZE;
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lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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size = strlen("hair");
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for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
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lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
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=> lfs_min(size, MEDIUMSIZE-j);
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memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
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}
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lfs_file_read(&lfs, &file, buffer, size) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "baldyread", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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size = strlen("hair");
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for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
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lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
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=> lfs_min(size, MEDIUMSIZE-j);
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memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
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}
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lfs_file_read(&lfs, &file, buffer, size) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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# write, truncate, and read
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[cases.test_truncate_write_read]
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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lfs_file_open(&lfs, &file, "sequence",
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LFS_O_RDWR | LFS_O_CREAT | LFS_O_TRUNC) => 0;
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uint8_t buffer[1024];
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size_t size = lfs_min(lfs.cfg->cache_size, sizeof(buffer)/2);
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lfs_size_t qsize = size / 4;
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uint8_t *wb = buffer;
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uint8_t *rb = buffer + size;
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for (lfs_off_t j = 0; j < size; ++j) {
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wb[j] = j;
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}
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/* Spread sequence over size */
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lfs_file_write(&lfs, &file, wb, size) => size;
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lfs_file_size(&lfs, &file) => size;
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lfs_file_tell(&lfs, &file) => size;
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
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lfs_file_tell(&lfs, &file) => 0;
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/* Chop off the last quarter */
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lfs_size_t trunc = size - qsize;
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lfs_file_truncate(&lfs, &file, trunc) => 0;
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lfs_file_tell(&lfs, &file) => 0;
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lfs_file_size(&lfs, &file) => trunc;
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/* Read should produce first 3/4 */
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lfs_file_read(&lfs, &file, rb, size) => trunc;
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memcmp(rb, wb, trunc) => 0;
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/* Move to 1/4 */
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lfs_file_size(&lfs, &file) => trunc;
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lfs_file_seek(&lfs, &file, qsize, LFS_SEEK_SET) => qsize;
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lfs_file_tell(&lfs, &file) => qsize;
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/* Chop to 1/2 */
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trunc -= qsize;
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lfs_file_truncate(&lfs, &file, trunc) => 0;
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lfs_file_tell(&lfs, &file) => qsize;
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lfs_file_size(&lfs, &file) => trunc;
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/* Read should produce second quarter */
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lfs_file_read(&lfs, &file, rb, size) => trunc - qsize;
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memcmp(rb, wb + qsize, trunc - qsize) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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# truncate and write
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[cases.test_truncate_write]
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defines.MEDIUMSIZE = [31, 32, 33, 511, 512, 513, 2047, 2048, 2049]
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defines.LARGESIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
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if = 'MEDIUMSIZE < LARGESIZE'
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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lfs_file_open(&lfs, &file, "baldywrite",
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LFS_O_WRONLY | LFS_O_CREAT) => 0;
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uint8_t buffer[1024];
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strcpy((char*)buffer, "hair");
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size_t size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
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lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
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=> lfs_min(size, LARGESIZE-j);
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}
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lfs_file_size(&lfs, &file) => LARGESIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "baldywrite", LFS_O_RDWR) => 0;
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lfs_file_size(&lfs, &file) => LARGESIZE;
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/* truncate */
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lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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/* and write */
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strcpy((char*)buffer, "bald");
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size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
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lfs_file_write(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
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=> lfs_min(size, MEDIUMSIZE-j);
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}
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "baldywrite", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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size = strlen("bald");
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for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
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lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
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=> lfs_min(size, MEDIUMSIZE-j);
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memcmp(buffer, "bald", lfs_min(size, MEDIUMSIZE-j)) => 0;
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}
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lfs_file_read(&lfs, &file, buffer, size) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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# truncate write under powerloss
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[cases.test_truncate_reentrant_write]
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defines.SMALLSIZE = [4, 512]
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defines.MEDIUMSIZE = [0, 3, 4, 5, 31, 32, 33, 511, 512, 513, 1023, 1024, 1025]
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defines.LARGESIZE = 2048
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reentrant = true
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code = '''
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lfs_t lfs;
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int err = lfs_mount(&lfs, cfg);
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if (err) {
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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}
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lfs_file_t file;
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err = lfs_file_open(&lfs, &file, "baldy", LFS_O_RDONLY);
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assert(!err || err == LFS_ERR_NOENT);
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if (!err) {
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size_t size = lfs_file_size(&lfs, &file);
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assert(size == 0 ||
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size == (size_t)LARGESIZE ||
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size == (size_t)MEDIUMSIZE ||
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size == (size_t)SMALLSIZE);
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for (lfs_off_t j = 0; j < size; j += 4) {
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uint8_t buffer[1024];
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lfs_file_read(&lfs, &file, buffer, lfs_min(4, size-j))
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=> lfs_min(4, size-j);
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assert(memcmp(buffer, "hair", lfs_min(4, size-j)) == 0 ||
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memcmp(buffer, "bald", lfs_min(4, size-j)) == 0 ||
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memcmp(buffer, "comb", lfs_min(4, size-j)) == 0);
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}
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lfs_file_close(&lfs, &file) => 0;
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}
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lfs_file_open(&lfs, &file, "baldy",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
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lfs_file_size(&lfs, &file) => 0;
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uint8_t buffer[1024];
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strcpy((char*)buffer, "hair");
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size_t size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
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lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
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=> lfs_min(size, LARGESIZE-j);
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}
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lfs_file_size(&lfs, &file) => LARGESIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_file_open(&lfs, &file, "baldy", LFS_O_RDWR) => 0;
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lfs_file_size(&lfs, &file) => LARGESIZE;
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/* truncate */
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lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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/* and write */
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strcpy((char*)buffer, "bald");
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size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
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lfs_file_write(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
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=> lfs_min(size, MEDIUMSIZE-j);
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}
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_file_open(&lfs, &file, "baldy", LFS_O_RDWR) => 0;
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lfs_file_size(&lfs, &file) => MEDIUMSIZE;
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lfs_file_truncate(&lfs, &file, SMALLSIZE) => 0;
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lfs_file_size(&lfs, &file) => SMALLSIZE;
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strcpy((char*)buffer, "comb");
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size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < SMALLSIZE; j += size) {
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lfs_file_write(&lfs, &file, buffer, lfs_min(size, SMALLSIZE-j))
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=> lfs_min(size, SMALLSIZE-j);
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}
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lfs_file_size(&lfs, &file) => SMALLSIZE;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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# more aggressive general truncation tests
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[cases.test_truncate_aggressive]
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defines.CONFIG = 'range(6)'
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defines.SMALLSIZE = 32
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defines.MEDIUMSIZE = 2048
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defines.LARGESIZE = 8192
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code = '''
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lfs_t lfs;
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#define COUNT 5
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const struct {
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lfs_off_t startsizes[COUNT];
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lfs_off_t startseeks[COUNT];
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lfs_off_t hotsizes[COUNT];
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lfs_off_t coldsizes[COUNT];
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} configs[] = {
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// cold shrinking
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{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
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// cold expanding
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{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
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// warm shrinking truncate
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{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
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{ 0, 0, 0, 0, 0}},
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// warm expanding truncate
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{{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
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{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
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// mid-file shrinking truncate
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{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{ LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE},
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{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
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{ 0, 0, 0, 0, 0}},
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// mid-file expanding truncate
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{{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
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{ 0, 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
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{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
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};
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const lfs_off_t *startsizes = configs[CONFIG].startsizes;
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const lfs_off_t *startseeks = configs[CONFIG].startseeks;
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const lfs_off_t *hotsizes = configs[CONFIG].hotsizes;
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const lfs_off_t *coldsizes = configs[CONFIG].coldsizes;
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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for (unsigned i = 0; i < COUNT; i++) {
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char path[1024];
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sprintf(path, "hairyhead%d", i);
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lfs_file_t file;
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lfs_file_open(&lfs, &file, path,
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
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uint8_t buffer[1024];
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strcpy((char*)buffer, "hair");
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size_t size = strlen((char*)buffer);
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for (lfs_off_t j = 0; j < startsizes[i]; j += size) {
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lfs_file_write(&lfs, &file, buffer, size) => size;
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}
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lfs_file_size(&lfs, &file) => startsizes[i];
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if (startseeks[i] != startsizes[i]) {
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lfs_file_seek(&lfs, &file,
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startseeks[i], LFS_SEEK_SET) => startseeks[i];
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}
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lfs_file_truncate(&lfs, &file, hotsizes[i]) => 0;
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lfs_file_size(&lfs, &file) => hotsizes[i];
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lfs_file_close(&lfs, &file) => 0;
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}
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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for (unsigned i = 0; i < COUNT; i++) {
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char path[1024];
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sprintf(path, "hairyhead%d", i);
|
|
lfs_file_t file;
|
|
lfs_file_open(&lfs, &file, path, LFS_O_RDWR) => 0;
|
|
lfs_file_size(&lfs, &file) => hotsizes[i];
|
|
|
|
size_t size = strlen("hair");
|
|
lfs_off_t j = 0;
|
|
for (; j < startsizes[i] && j < hotsizes[i]; j += size) {
|
|
uint8_t buffer[1024];
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
|
memcmp(buffer, "hair", size) => 0;
|
|
}
|
|
|
|
for (; j < hotsizes[i]; j += size) {
|
|
uint8_t buffer[1024];
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
|
memcmp(buffer, "\0\0\0\0", size) => 0;
|
|
}
|
|
|
|
lfs_file_truncate(&lfs, &file, coldsizes[i]) => 0;
|
|
lfs_file_size(&lfs, &file) => coldsizes[i];
|
|
|
|
lfs_file_close(&lfs, &file) => 0;
|
|
}
|
|
|
|
lfs_unmount(&lfs) => 0;
|
|
|
|
lfs_mount(&lfs, cfg) => 0;
|
|
|
|
for (unsigned i = 0; i < COUNT; i++) {
|
|
char path[1024];
|
|
sprintf(path, "hairyhead%d", i);
|
|
lfs_file_t file;
|
|
lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
|
|
lfs_file_size(&lfs, &file) => coldsizes[i];
|
|
|
|
size_t size = strlen("hair");
|
|
lfs_off_t j = 0;
|
|
for (; j < startsizes[i] && j < hotsizes[i] && j < coldsizes[i];
|
|
j += size) {
|
|
uint8_t buffer[1024];
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
|
memcmp(buffer, "hair", size) => 0;
|
|
}
|
|
|
|
for (; j < coldsizes[i]; j += size) {
|
|
uint8_t buffer[1024];
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
|
memcmp(buffer, "\0\0\0\0", size) => 0;
|
|
}
|
|
|
|
lfs_file_close(&lfs, &file) => 0;
|
|
}
|
|
|
|
lfs_unmount(&lfs) => 0;
|
|
'''
|
|
|
|
# noop truncate
|
|
[cases.test_truncate_nop]
|
|
defines.MEDIUMSIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
|
|
code = '''
|
|
lfs_t lfs;
|
|
lfs_format(&lfs, cfg) => 0;
|
|
lfs_mount(&lfs, cfg) => 0;
|
|
lfs_file_t file;
|
|
lfs_file_open(&lfs, &file, "baldynoop",
|
|
LFS_O_RDWR | LFS_O_CREAT) => 0;
|
|
|
|
uint8_t buffer[1024];
|
|
strcpy((char*)buffer, "hair");
|
|
size_t size = strlen((char*)buffer);
|
|
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
|
|
lfs_file_write(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
|
|
=> lfs_min(size, MEDIUMSIZE-j);
|
|
|
|
// this truncate should do nothing
|
|
lfs_file_truncate(&lfs, &file, j+lfs_min(size, MEDIUMSIZE-j)) => 0;
|
|
}
|
|
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
|
|
|
|
lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
|
|
// should do nothing again
|
|
lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
|
|
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
|
|
|
|
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
|
|
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
|
|
=> lfs_min(size, MEDIUMSIZE-j);
|
|
memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
|
|
}
|
|
lfs_file_read(&lfs, &file, buffer, size) => 0;
|
|
|
|
lfs_file_close(&lfs, &file) => 0;
|
|
lfs_unmount(&lfs) => 0;
|
|
|
|
// still there after reboot?
|
|
lfs_mount(&lfs, cfg) => 0;
|
|
lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDWR) => 0;
|
|
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
|
|
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
|
|
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
|
|
=> lfs_min(size, MEDIUMSIZE-j);
|
|
memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
|
|
}
|
|
lfs_file_read(&lfs, &file, buffer, size) => 0;
|
|
lfs_file_close(&lfs, &file) => 0;
|
|
lfs_unmount(&lfs) => 0;
|
|
'''
|